We have a family agreement that we don't promote contact between our kids and any person who is disrespectful to any one of the four parents.

I see, I was curious about the context of it coming out; she accidentally outed herself because she didn't know the rules. For the best, in retrospect. It's counter-intuitive that she'd want to be an integral part of a family in which she felt such strong negative emotions about one of the other members. People are so strange.